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13232002020 = 22351789145759
BaseRepresentation
bin11000101001011000…
…00101001111100100
31021011011100100101220
430110230011033210
5204044343031040
610024555420340
7645621106236
oct142454051744
937134310356
1013232002020
115680135a66
1226934546b0
13132b4822c3
148d74bc256
155269cd2d0
hex314b053e4

13232002020 has 96 divisors (see below), whose sum is σ = 39670041600. Its totient is φ = 3283636224.

The previous prime is 13232001971. The next prime is 13232002033. The reversal of 13232002020 is 2020023231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17901 + ... + 163659.

It is an arithmetic number, because the mean of its divisors is an integer number (413229600).

Almost surely, 213232002020 is an apocalyptic number.

13232002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13232002020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19835020800).

13232002020 is an abundant number, since it is smaller than the sum of its proper divisors (26438039580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13232002020 is a wasteful number, since it uses less digits than its factorization.

13232002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145877 (or 145875 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 13232002020 its reverse (2020023231), we get a palindrome (15252025251).

The spelling of 13232002020 in words is "thirteen billion, two hundred thirty-two million, two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 17 20 30 34 51 60 68 85 89 102 170 178 204 255 267 340 356 445 510 534 890 1020 1068 1335 1513 1780 2670 3026 4539 5340 6052 7565 9078 15130 18156 22695 30260 45390 90780 145759 291518 437277 583036 728795 874554 1457590 1749108 2186385 2477903 2915180 4372770 4955806 7433709 8745540 9911612 12389515 12972551 14867418 24779030 25945102 29734836 37168545 38917653 49558060 51890204 64862755 74337090 77835306 129725510 148674180 155670612 194588265 220533367 259451020 389176530 441066734 661600101 778353060 882133468 1102666835 1323200202 2205333670 2646400404 3308000505 4410667340 6616001010 13232002020